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Which antiderivative of the reciprocal function 1/x is valid on the positive real line?
A−1/x² + C
B1/x² + C
Ceˣ + C
Dln|x| + C
Answer & Solution
Correct answer: D. ln|x| + C
The derivative of ln|x| is 1/x, so ln|x| + C is the antiderivative.
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